Japan Country Code

The country code for Japan is +81.

Calling code: +81
ISO code: JP · JPN
Region: Asia
Dialling out: 010

How to call Japan from the US

011+81+local number

011 is the US and Canadian exit code; from a mobile you can dial + instead, anywhere in the world. Numbers written locally in Japan start with a 0 — drop it when you dial in from abroad.

Example Japan numbers in international format, as published by the numbering-plan source.
Line type	Dial from abroad
Fixed line	+81 312345678
Mobile	+81 9012345678

Calling out of Japan

To call abroad from Japan, dial 010 before the destination's country code. From a mobile, + works instead.

Scope the Japan calling code and its dialing rules. Source datasets/country-codes (E.164 + ISO 3166) (ITU-T E.164 + ISO 3166, 2026-07 release) and libphonenumber PhoneNumberMetadata (Google) (libphonenumber master, 2026-08 snapshot). Updated 25 August 2026. Example numbers are the numbering plan's own published examples, not real subscriber lines.